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35 Virginis, HD111239, HIP62443, HR4858

35 Virginis is a red star that can be located in the constellation of Virgo. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.

The Id of the star in the Yale Bright Star Catalogue is HR4858. HIP62443 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD111239. The Id of the star in the Gould Star Catalogue is 86. Stars in the southern hemisphere are more likely to have a Gould Id than the northern hemisphere. For example, there are no Gould classified stars in Ursa Major.

35 Virginis has alternative name(s), NSV 05947.

Location of 35 Virginis

The location of the star in the galaxy is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the star is compared to the celestial equator and is expressed in degrees. For 35 Virginis, the location is 12h 47m 51.42 and +03d 34` 21.8 .

Proper Motion of 35 Virginis

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -3.28 ± 0.32 miliarcseconds/year towards the north and -8.37 ± 0.45 miliarcseconds/year east if we saw them in the horizon. The Radial Velocity, that is the speed at which the star is moving away/towards us is 13.78000 km/s with an error of about 0.13 km/s .

35 Virginis Luminosity

Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. The figure of 7.0000000 that I have given is based on the Spectral Types page that I have found on the Internet. You might find a different figure, one that may have been calculated rather than generalised that I have done. The figure is always the amount times the luminosity of the Sun. It is an imprecise figure because of a number of factors including but not limited to whether the star is a variable star and distance.

Physical Properties (Colour, Temperature, Radius) of 35 Virginis

35 Virginis has a spectral type of M4III. This means the star is a red star. The star is 7366.00000000 Parsecs from the Galactic Centre or terms of Light Years is 24025.1919190400000000s. The star has a B-V Colour Index of 1.59 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,804 Kelvin.

35 Virginis Radius has been calculated as being 19.70 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 13,705,817.62.km. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 19.97. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

35 Virginis Apparent and Absolute Magnitudes

35 Virginis has an apparent magnitude of 6.42 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. If you used the 1997 Parallax value, you would get an absolute magnitude of 0.19 If you used the 2007 Parallax value, you would get an absolute magnitude of 0.16. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

Distance to 35 Virginis

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 5.68 which gave the calculated distance to 35 Virginis as 574.23 light years away from Earth or 176.06 parsecs. It would take a spaceship travelling at the speed of light, 574.23 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

In 2007, Hipparcos data was revised with a new parallax of 5.59 which put 35 Virginis at a distance of 583.48 light years or 178.89 parsecs. It should not be taken as though the star is moving closer or further away from us. It is purely that the distance was recalculated.

The star's Galacto-Centric Distance is 7,366.00 Parsecs or 24,025.19 Light Years. The Galacto-Centric Distance is the distance from the star to the Centre of the Galaxy which is Sagittarius A*. 35 Virginis brightness ranges from a magnitude of 6.514 to a magnitude of 6.461 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 0.0 days (variability).

Source of Information

The source of the information if it has a Hip I.D. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

35 Virginis Facts

Alternative Names

Traditional/Proper Name35 Virginis
Flamsteed Name35 Virginis
Flamsteed Short Name35 Vir
Short NameNSV 05947
Hipparcos Library I.D.62443
Yale Bright Star Catalogue (HR) Id4858
Bonner DurchmusterungBD+04 2653
Gould I.D.86
Henry Draper Designation111239

Visual Facts

Star Type star
Absolute Magnitude0.19 / 0.16
Visual / Apparent Magnitude6.42
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)12h 47m 51.42
Declination (Dec.)+03d 34` 21.8
Galactic Latitude66.43 degrees
Galactic Longitude300.70 degrees
1997 Distance from Earth5.68 Parallax (milliarcseconds)
 574.23 Light Years
 176.06 Parsecs
2007 Revised Distance from Earth5.59 Parallax (milliarcseconds)
 583.48 Light Years
 178.89 Parsecs
Galacto-Centric Distance24,025.19 Light Years / 7,366.00 Parsecs
Proper Motion Dec.-3.28 ± 0.32 milliarcseconds/year
Proper Motion RA.-8.37 ± 0.45 milliarcseconds/year
B-V Index1.59
Radial Velocity13.78 ± 0.13 km/s
Spectral TypeM4III
Colour(M) Red

Variable Star Details

Mean Variability Period in Days0.039
Variable Magnitude Range (Brighter - Dimmer)6.461 - 6.514

Estimated Facts

Luminosity (x the Sun)7.0000000
Calculated Effective Temperature3,804 Kelvin

Sources and Links

SIMBAD SourceLink

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